Re: Simultaneity - Albert Einstein and the Theory of Relativity
- From: "Dirk Van de moortel" <dirkvandemoortel@xxxxxxxxxxxxxxxxxx>
- Date: Fri, 3 Apr 2009 22:52:16 +0200
Androcles <Headmaster@xxxxxxxxxxxxxxxx> wrote in message
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<zarmewa@xxxxxxxxx> wrote in message
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The following is the Einstein’s train but instead of train consider
two airships equal in lengths.
http://www.youtube.com/watch?v=wteiuxyqtoM&feature=related
Both are moving with same speed but opposite in direction. After
certain time they cross each other such that one is exactly above the
other.
But due to the length contraction
The upper moving observer would notice that
“The front of upper ship may line up with the rear of the lower ship,
but the front lower ship will not have reached the rear of upper ship
yet.”
And the same would happen to the lower moving observer that
“The front of the lower ship line up with the rear of upper but the
front of the upper ship will not have reached the rear of lower ship
yet.”
The stationary observer would see that light strike the back and front
of each ship at the same time. While both the moving observer would
notice that light strikes the front before the rare end of their
respective ship.
Thus in relativity both moving observer are right but in realitivity
they noticed the same as stationary observer, if they have connection
with each other.
Explain please. If something is missing.
===========================================
http://www.androcles01.pwp.blueyonder.co.uk/simultaneous.gif
http://www.androcles01.pwp.blueyonder.co.uk/simultaneous2.gif
The moron Einstein forgot about the starting position.
He set up a special case where the observer begins at the centre and
then moves. Naturally he's not going to perceive simultaneity like that,
just as we don't perceive thunder and lightning as simultaneous; the speed
of sound is much slower than the speed of light. Only a fool would say
they were not simultaneous though.
Zarmewa, meet Usenet's most disgusting creature, Androcles
(aka John Parker, retired engineer of the electronic type,
professionally), at best thinking and at worst pretending to think
that "observing simultaneity of two remote events" is equivalent
with "to see the effect of the events simultaneously", and thus
deviously calling it here "to perceive simultaneity".
Beware.
Dirk Vdm
.
- References:
- Simultaneity - Albert Einstein and the Theory of Relativity
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